pneumatic
adjective
pneu·mat·ic
nu̇-ˈma-tik 
nyu̇-
1
: of, relating to, or using gas (such as air or wind):
a
: moved or worked by air pressure
b(1)
: adapted for holding or inflated with compressed air
(2)
: having air-filled cavities
3
: having a well-proportioned feminine figure
especially
: having a full bust
Examples of pneumatic in a Sentence
a movie star who is remembered mainly as a pneumatic sex symbol of the 1950s
Recent Examples on the Web
The setup is currently being demonstrated in the form of a prototype sleeve which incorporates a total of eight pneumatic actuators arranged in two rows of four.
—
Ben Coxworth, New Atlas, 23 Dec. 2024
And to do so, a trio of devices, including pneumatic pumps, vibration plates, and calf muscle pumps, can be used.
—Matt Benoit, Discover Magazine, 6 Dec. 2024
The drones and a clever pneumatic launcher are designed to be packed in crates small enough to fit in the Mercedes Sprinter vans the Ukrainians commonly use to haul gear around the battlefield.
—Jeremy Bogaisky, Forbes, 19 Dec. 2024
The cars will have a hydraulic braking system instead of the pneumatic brakes currently used.
—Sam Allard, Axios, 16 Dec. 2024
See all Example Sentences for pneumatic 
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Ben Coxworth, New Atlas, 23 Dec. 2024
And to do so, a trio of devices, including pneumatic pumps, vibration plates, and calf muscle pumps, can be used.
—Matt Benoit, Discover Magazine, 6 Dec. 2024
The drones and a clever pneumatic launcher are designed to be packed in crates small enough to fit in the Mercedes Sprinter vans the Ukrainians commonly use to haul gear around the battlefield.
—Jeremy Bogaisky, Forbes, 19 Dec. 2024
The cars will have a hydraulic braking system instead of the pneumatic brakes currently used.
—Sam Allard, Axios, 16 Dec. 2024
See all Example Sentences for pneumatic
Dictionary Entries Near pneumatic
Cite this Entry
“Pneumatic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pneumatic. Accessed 18 Jan. 2025.
Copy CitationKids Definition
pneumatic
adjective
pneu·mat·ic
n(y)u̇-ˈmat-ik
1
: of, relating to, or using air, wind, or other gas
2
: moved or worked by air pressure
a pneumatic drill
3
: made to hold or be inflated with compressed air
pneumatic tires
Etymology
from Latin pneumaticus "relating to or using air," from Greek pneumatikos (same meaning), from pneumat-, pneuma "air, breath"
Medical Definition
pneumatic
adjective
pneu·mat·ic
n(y)u̇-ˈmat-ik
: of, relating to, or using gas (as air): as
a
: moved or worked by air pressure
b
: adapted for holding or inflated with compressed air
c
: having air-filled cavities
pneumatic bone
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